#!/bin/bash

#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

source _common.sh
source /usr/share/yunohost/helpers

#=================================================
# LOAD SETTINGS
#=================================================

email=$(ynh_user_get_info --username=$admin --key=mail)

#=================================================
# CHECK VERSION
#=================================================

upgrade_type=$(ynh_check_app_version_changed)

#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# STOP SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Stopping a systemd service..." --weight=42

ynh_systemd_action --service_name=$app --action=stop --log_path="systemd"

#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_script_progression --message="Ensuring downward compatibility..." --weight=1

if ynh_compare_current_package_version --comparison le --version 0.218.0~ynh1
then
	ynh_die --message="Upgrade from version 0.218.0~ynh1 is not possible is not possible yet because data migration is not supported. Please let us know you encounter this message in this issue: https://github.com/YunoHost-Apps/n8n_ynh/issues/18"
fi

# If email doesn't exist, create it
if [ -z "$email" ]; then
	email=$(ynh_user_get_info --username=$admin --key=mail)
	ynh_app_setting_set --app=$app --key=email --value=$email
fi

# If language doesn't exist, create it
if [ -z "$language" ]; then
	language="en"
	ynh_app_setting_set --app=$app --key=language --value=$language
fi

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Upgrading NGINX web server configuration..." --weight=3

# Create a dedicated NGINX config
ynh_add_nginx_config

ynh_install_nodejs --nodejs_version=$nodejs_version

env_path="$PATH"
# Create a dedicated systemd config
ynh_add_systemd_config

yunohost service add $app --description="Workflow Automation Tool" --log="/var/log/$app/$app.log"

#=================================================
# UPGRADE A CONFIGURATION FILE
#=================================================
ynh_script_progression --message="Upgrade a configuration file..." --weight=1

ynh_add_config --template="../conf/.env" --destination="$install_dir/.env"

chmod 400 "$install_dir/.env"
chown $app:$app "$install_dir/.env"

#=================================================
# INSTALL n8n
#=================================================
ynh_script_progression --message="Installing $app..." --weight=2

# Download, check integrity, uncompress and patch the source from app.src
pushd $install_dir
 	ynh_use_nodejs
 	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH $ynh_npm install n8n@${n8n_version}
popd

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --weight=6

ynh_systemd_action --service_name=$app --action=restart --log_path=systemd --line_match="Editor is now accessible via:"

#=================================================
# END OF SCRIPT
#=================================================

ynh_script_progression --message="Upgrade of $app completed" --last